GREGORY-PORTLAND AT CARROLL

What you need to know: G-P holds a two-game edge on the Tigers after taking the last two meetings in this rivalry (24-22-1). The Wildcats and Tigers each missed the playoffs last year. Carroll returns experience on defense led by Benny Rivas and Noel Soliz. G-P has one of the area's best running backs in senior Kyle Zipprian.

EDCOUCH-ELSA AT VETERANS MEMORIAL

What you need to know: The Eagles had a breakthrough season last year, making the playoffs for the first time and advancing to the regional semifinals. The Eagles have several skill position players returning in QB Joseph Gonzalez, WR Sethe Solis and utility player David Soto. Edcouch-Elsa is a traditional Rio Grande Valley power, but is under a new head coach in Bradly Chavez, who spent time at John Paul II and Santa Gertrudis Academy.

MILLER AT SA HIGHLANDS

When: 7 p.m.

Where: Alamo Stadium, 760 Stadium Dr., San Antonio

Records: Season opener for both teams

Radio: KLHB-FM 105.5

What you need to know: The Bucs are hoping for success, but also are focused on staying healthy before district play begins Sept.14. Miller got out to a fast start last season, but struggled down the stretch as the size and depth of more established programs hurt them. The Bucs return four of five starters on the offensive line and talented wide receivers Bubba Lloyd and Cassius Clay and have a playoff spot in mind.